Thanks MichelPM. I have downloaded and ran EtreCheck and the report is as follows:
EtreCheck version: 1.9.12 (48)
Report generated 20 July 2014 4:17:34 pm AEST
Hardware Information:
iMac (20-inch, Mid 2007) (Verified)
iMac - model: iMac7,1
1 2 GHz Intel Core 2 Duo CPU: 2 cores
3 GB RAM
Video Information:
ATI,RadeonHD2400 - VRAM: 128 MB
iMac 1680 x 1050
System Software:
OS X 10.9.4 (13E28) - Uptime: 0 days 0:6:37
Disk Information:
ST3250820AS Q disk0 : (250.06 GB)
EFI (disk0s1) <not mounted>: 209.7 MB
Macintosh HD (disk0s2) / [Startup]: 249.2 GB (20.11 GB free)
Recovery HD (disk0s3) <not mounted>: 650 MB
USB Information:
Apple, Inc. Keyboard Hub
Apple, Inc Apple Keyboard
LaCie LaCie Hard Drive USB 750.16 GB
disk1s1 (disk1s1) <not mounted>: 32 KB
disk1s2 (disk1s2) <not mounted>: 66 KB
disk1s3 (disk1s3) <not mounted>: 66 KB
disk1s4 (disk1s4) <not mounted>: 115 KB
Gulyas LaCie (disk1s6) /Volumes/Gulyas LaCie: 750.16 GB (76.1 GB free)
Apple Inc. Built-in iSight
Apple Inc. Bluetooth USB Host Controller
Apple Computer, Inc. IR Receiver
Gatekeeper:
Mac App Store and identified developers
Kernel Extensions:
[not loaded] com.devguru.driver.SamsungACMControl (1.2.48 - SDK 10.6) Support
[not loaded] com.devguru.driver.SamsungACMData (1.2.48 - SDK 10.6) Support
[not loaded] com.devguru.driver.SamsungComposite (1.2.48 - SDK 10.6) Support
[not loaded] com.devguru.driver.SamsungMTP (1.2.48 - SDK 10.5) Support
[not loaded] com.devguru.driver.SamsungSerial (1.2.48 - SDK 10.6) Support
[not loaded] com.tomtom.driver.UsbEthernetGadget (1.0.0d1) Support
[not loaded] net.Thomson.iokit.USBLAN_usbpart (1.6.0) Support
Launch Daemons:
[loaded] com.adobe.fpsaud.plist Support
Launch Agents:
[loaded] com.hp.help.tocgenerator.plist Support
User Launch Agents:
[loaded] com.adobe.ARM.[...].plist Support
[loaded] com.divx.agent.postinstall.plist Support
[loaded] com.google.keystone.agent.plist Support
[not loaded] com.zeobit.MacKeeper.Helper Support
User Login Items:
iTunesHelper
MyTomTomSA
KiesViaWiFiAgent
fuspredownloader
HP Product Research
Internet Plug-ins:
DirectorShockwave: Version: 11.0.0r458 Support
OVSHelper: Version: 1.1 Support
Default Browser: Version: 537 - SDK 10.9
Google Earth Web Plug-in: Version: 7.1 Support
Unity Web Player: Version: UnityPlayer version 4.3.5f1 - SDK 10.6 Support
Silverlight: Version: 5.1.30214.0 - SDK 10.6 Support
FlashPlayer-10.6: Version: 14.0.0.145 - SDK 10.6 Support
DivXBrowserPlugin: Version: 2.2 Support
Flash Player: Version: 14.0.0.145 - SDK 10.6 Support
QuickTime Plugin: Version: 7.7.3
iPhotoPhotocast: Version: 7.0
AdobePDFViewer: Version: 9.5.5 Support
JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
Safari Extensions:
DivX Plus Web Player HTML5 <video>: Version: 2.1.2.145
Audio Plug-ins:
BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
AirPlay: Version: 2.0 - SDK 10.9
AppleAVBAudio: Version: 203.2 - SDK 10.9
iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins:
Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
3rd Party Preference Panes:
Adobe Version Cue CS2 Support
DivX Support
Flash Player Support
Time Machine:
Skip System Files: NO
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 232.09 GB Disk used: 213.36 GB
Destinations:
Gulyas LaCie [Local] (Last used)
Total size: 698.64 GB
Total number of backups: 237
Oldest backup: 2008-08-26 12:13:41 +0000
Last backup: 2014-07-20 05:05:05 +0000
Size of backup disk: Excellent
Backup size 698.64 GB > (Disk size 232.09 GB X 3)
Time Machine details may not be accurate.
All volumes being backed up may not be listed.
Top Processes by CPU:
3% com.apple.WebKit.WebContent
3% WindowServer
2% Safari
0% locationd
0% MyTomTomSA
Top Processes by Memory:
212 MB mds_stores
101 MB Safari
101 MB com.apple.IconServicesAgent
95 MB com.apple.WebKit.WebContent
52 MB Dock
Virtual Memory Information:
1.35 GB Free RAM
1.09 GB Active RAM
168 MB Inactive RAM
393 MB Wired RAM
279 MB Page-ins
124 KB Page-outs